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- /*
- *
- * Copyright (c) 1994
- * Hewlett-Packard Company
- *
- * Permission to use, copy, modify, distribute and sell this software
- * and its documentation for any purpose is hereby granted without fee,
- * provided that the above copyright notice appear in all copies and
- * that both that copyright notice and this permission notice appear
- * in supporting documentation. Hewlett-Packard Company makes no
- * representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied warranty.
- *
- */
-
- #ifndef LNGALLOC_H
- #define LNGALLOC_H
-
- #include <limits.h>
- #include <algobase.h>
- #include <defalloc.h>
-
- template <class T>
- class long_allocator {
- public:
- typedef T value_type;
- typedef T* pointer;
- typedef const T* const_pointer;
- typedef T& reference;
- typedef const T& const_reference;
- typedef unsigned long size_type;
- typedef long difference_type;
- pointer allocate(size_type n) {
- return ::allocate((difference_type)n, (pointer)0);
- }
- void deallocate(pointer p) { ::deallocate(p); }
- pointer address(reference x) { return (pointer)&x; }
- const_pointer const_address(const_reference x) {
- return (const_pointer)&x;
- }
- size_type init_page_size() {
- return max(size_type(1), size_type(4096/sizeof(T)));
- }
- size_type max_size() const {
- return max(size_type(1), size_type(ULONG_MAX/sizeof(T)));
- }
- };
-
- class long_allocator<void> {
- public:
- typedef void* pointer;
- };
-
- #endif
-